AT&T Labs, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04M TELEPHONIC COMMUNICATION 16147
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 8277
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 6441
 
  
 
G03F PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR 1103
 
  
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8307080 Method and apparatus for monitoring functions of distributed dataNov 23, 11Nov 06, 12[G06F]
8144852 Method and apparatus for spectral containment over telephone service linesDec 14, 07Mar 27, 12[H04M]
8126121 Multi-modal communications methodApr 29, 08Feb 28, 12[H04M]
8103961 Method for integrating user models to interface designOct 06, 10Jan 24, 12[G06F]
8064549 Joint demodulation using a Viterbi equalizer having an adaptive total number of statesMar 27, 09Nov 22, 11[H04L]
8041011 Device and method for suppressing DSL signal echo induced by bridgetapSep 28, 06Oct 18, 11[H04M]
8032173 Intelligent roaming system with over the air programmingOct 06, 08Oct 04, 11[H04B]
7995563 Internet caller identification system and methodJul 31, 07Aug 09, 11[H04L]
7983409 Geographical call routing for a non-emergency calling serviceNov 12, 10Jul 19, 11[H04M]
7949709 Internal substitution bi-level addressing for compatible public networksDec 17, 09May 24, 11[H04L, G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8583076 Emergency communication system and methodExpiredJun 15, 12Nov 12, 13[H04M]
8036348 Sequential presentation of long instructions in an interactive voice response systemExpiredOct 14, 08Oct 11, 11[H04M, H04L]
2011/0179,379 EMERGENCY FACILITY INFORMATION SYSTEM AND METHODSAbandonedFeb 25, 11Jul 21, 11[G06F]
7921096 Emergency facility information system and methodsExpiredMar 01, 07Apr 05, 11[G06F]
7889717 Multiservice use of network connection capabilityExpiredJan 18, 06Feb 15, 11[H04L]
7817793 Advanced intelligent single telephone number routingExpiredAug 05, 08Oct 19, 10[H04M]
7813349 Service aware switched SDH/SONET/TDM networkExpiredMar 28, 05Oct 12, 10[H04L]
7656859 Internal substitution bi-level addressing for compatible public networksExpiredApr 24, 06Feb 02, 10[H04L, G06F]
7653194 Geographical call routing for a non-emergency calling serviceExpiredOct 03, 08Jan 26, 10[H04M]
2009/0132,561 LINK-BASED CLASSIFICATION OF GRAPH NODESAbandonedNov 21, 07May 21, 09[G06F]
7505575 Method and system for processing telephone calls via a remote tie-lineExpiredAug 28, 07Mar 17, 09[H04M]
7499536 Apparatus and method for intelligent call routing and call returnExpiredSep 09, 04Mar 03, 09[H04M]
2008/0228,736 SYSTEM AND METHOD FOR CREATING AND ACCESSING OUTGOING TELEPHONE CALL LOGAbandonedMar 25, 08Sep 18, 08[G06F]
7421070 Advanced intelligent single telephone number routingExpiredOct 19, 07Sep 02, 08[H04M]
2008/0095,329 VOICE MAIL INTERFACEAbandonedDec 13, 07Apr 24, 08[H04M]
2008/0098,308 UNIFIED INTERFACE FOR MANAGING DSL SERVICESAbandonedDec 21, 07Apr 24, 08[G06F]
2008/0089,345 CONTROLLER BASED CALL CONTROL FOR ATM SVC SIGNALINGAbandonedNov 02, 07Apr 17, 08[H04L]
7352857 Method and apparatus for spectral containment over telephone service linesExpiredNov 01, 05Apr 01, 08[H04M]
7333595 Voice mail interfaceExpiredJul 12, 04Feb 19, 08[H04M]
2007/0286,200 FAULT TOLERANT ATM-BASED DISTRIBUTED VIRTUAL TANDEM SWITCHING SYSTEM AND METHODAbandonedApr 24, 07Dec 13, 07[H04L]

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